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<h2><a href="closure_goog_demos_editor_helloworld.js.html">helloworld.js</a></h2>

<pre class="prettyprint lang-js">
<a name="line1"></a>// Copyright 2008 The Closure Library Authors. All Rights Reserved.
<a name="line2"></a>//
<a name="line3"></a>// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
<a name="line4"></a>// you may not use this file except in compliance with the License.
<a name="line5"></a>// You may obtain a copy of the License at
<a name="line6"></a>//
<a name="line7"></a>//      http://www.apache.org/licenses/LICENSE-2.0
<a name="line8"></a>//
<a name="line9"></a>// Unless required by applicable law or agreed to in writing, software
<a name="line10"></a>// distributed under the License is distributed on an &quot;AS-IS&quot; BASIS,
<a name="line11"></a>// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<a name="line12"></a>// See the License for the specific language governing permissions and
<a name="line13"></a>// limitations under the License.
<a name="line14"></a>
<a name="line15"></a>/**
<a name="line16"></a> * @fileoverview A simple plugin that inserts &#39;Hello World!&#39; on command. This
<a name="line17"></a> * plugin is intended to be an example of a very simple plugin for plugin
<a name="line18"></a> * developers.
<a name="line19"></a> *
<a name="line20"></a> * @author gak@google.com (Gregory Kick)
<a name="line21"></a> * @see helloworld.html
<a name="line22"></a> */
<a name="line23"></a>
<a name="line24"></a>goog.provide(&#39;goog.demos.editor.HelloWorld&#39;);
<a name="line25"></a>
<a name="line26"></a>goog.require(&#39;goog.dom&#39;);
<a name="line27"></a>goog.require(&#39;goog.dom.TagName&#39;);
<a name="line28"></a>goog.require(&#39;goog.editor.Plugin&#39;);
<a name="line29"></a>
<a name="line30"></a>
<a name="line31"></a>
<a name="line32"></a>/**
<a name="line33"></a> * Plugin to insert &#39;Hello World!&#39; into an editable field.
<a name="line34"></a> * @constructor
<a name="line35"></a> * @extends {goog.editor.Plugin}
<a name="line36"></a> */
<a name="line37"></a>goog.demos.editor.HelloWorld = function() {
<a name="line38"></a>  goog.editor.Plugin.call(this);
<a name="line39"></a>};
<a name="line40"></a>goog.inherits(goog.demos.editor.HelloWorld, goog.editor.Plugin);
<a name="line41"></a>
<a name="line42"></a>
<a name="line43"></a>/** @override */
<a name="line44"></a>goog.demos.editor.HelloWorld.prototype.getTrogClassId = function() {
<a name="line45"></a>  return &#39;HelloWorld&#39;;
<a name="line46"></a>};
<a name="line47"></a>
<a name="line48"></a>
<a name="line49"></a>/**
<a name="line50"></a> * Commands implemented by this plugin.
<a name="line51"></a> * @enum {string}
<a name="line52"></a> */
<a name="line53"></a>goog.demos.editor.HelloWorld.COMMAND = {
<a name="line54"></a>  HELLO_WORLD: &#39;+helloWorld&#39;
<a name="line55"></a>};
<a name="line56"></a>
<a name="line57"></a>
<a name="line58"></a>/** @override */
<a name="line59"></a>goog.demos.editor.HelloWorld.prototype.isSupportedCommand = function(
<a name="line60"></a>    command) {
<a name="line61"></a>  return command == goog.demos.editor.HelloWorld.COMMAND.HELLO_WORLD;
<a name="line62"></a>};
<a name="line63"></a>
<a name="line64"></a>
<a name="line65"></a>/**
<a name="line66"></a> * Executes a command. Does not fire any BEFORECHANGE, CHANGE, or
<a name="line67"></a> * SELECTIONCHANGE events (these are handled by the super class implementation
<a name="line68"></a> * of {@code execCommand}.
<a name="line69"></a> * @param {string} command Command to execute.
<a name="line70"></a> * @override
<a name="line71"></a> * @protected
<a name="line72"></a> */
<a name="line73"></a>goog.demos.editor.HelloWorld.prototype.execCommandInternal = function(
<a name="line74"></a>    command) {
<a name="line75"></a>  var domHelper = this.getFieldObject().getEditableDomHelper();
<a name="line76"></a>  var range = this.getFieldObject().getRange();
<a name="line77"></a>  range.removeContents();
<a name="line78"></a>  var newNode =
<a name="line79"></a>      domHelper.createDom(goog.dom.TagName.SPAN, null, &#39;Hello World!&#39;);
<a name="line80"></a>  range.insertNode(newNode, false);
<a name="line81"></a>};
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